eV-scale sterile neutrinos from an extra dimension
Abstract
Motivated by the short-baseline neutrino oscillation anomalies that suggest the existence of sterile neutrinos at the eV scale, we construct a scenario of a seesaw mechanism for 3+1 light neutrinos implemented by warped compactification of an extra dimension. As the seesaw mechanism necessitates at least two right-handed neutrinos at mass scales much larger than eV, incorporating an eV-scale sterile neutrino into a seesaw entails large mass hierarchies among the singlet neutrinos. We show that such hierarchies can be naturally explained by moderate fluctuations of the five-dimensional fermion mass parameters.
- Publication Date:
- Research Org.:
- Univ. of Alabama, Tuscaloosa, AL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- OSTI Identifier:
- 1580457
- Alternate Identifier(s):
- OSTI ID: 1580511
- Grant/Contract Number:
- SC0012447; NRF-2018R1D1A1B07051127
- Resource Type:
- Published Article
- Journal Name:
- Physical Review D
- Additional Journal Information:
- Journal Name: Physical Review D Journal Volume: 100 Journal Issue: 11; Journal ID: ISSN 2470-0010
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; sterile neutrinos; extra dimension
Citation Formats
Kawai, Shinsuke, and Okada, Nobuchika. eV-scale sterile neutrinos from an extra dimension. United States: N. p., 2019.
Web. doi:10.1103/PhysRevD.100.115043.
Kawai, Shinsuke, & Okada, Nobuchika. eV-scale sterile neutrinos from an extra dimension. United States. https://doi.org/10.1103/PhysRevD.100.115043
Kawai, Shinsuke, and Okada, Nobuchika. Thu .
"eV-scale sterile neutrinos from an extra dimension". United States. https://doi.org/10.1103/PhysRevD.100.115043.
@article{osti_1580457,
title = {eV-scale sterile neutrinos from an extra dimension},
author = {Kawai, Shinsuke and Okada, Nobuchika},
abstractNote = {Motivated by the short-baseline neutrino oscillation anomalies that suggest the existence of sterile neutrinos at the eV scale, we construct a scenario of a seesaw mechanism for 3+1 light neutrinos implemented by warped compactification of an extra dimension. As the seesaw mechanism necessitates at least two right-handed neutrinos at mass scales much larger than eV, incorporating an eV-scale sterile neutrino into a seesaw entails large mass hierarchies among the singlet neutrinos. We show that such hierarchies can be naturally explained by moderate fluctuations of the five-dimensional fermion mass parameters.},
doi = {10.1103/PhysRevD.100.115043},
journal = {Physical Review D},
number = 11,
volume = 100,
place = {United States},
year = {Thu Dec 26 00:00:00 EST 2019},
month = {Thu Dec 26 00:00:00 EST 2019}
}
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https://doi.org/10.1103/PhysRevD.100.115043
https://doi.org/10.1103/PhysRevD.100.115043
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